All Sliver creatures have flying.
All Slivers have "If this permanent would be put into a graveyard, you may put it on top of its owner's library instead."
All Slivers have flying and "If this creature would be put into a graveyard, you may put it on top of its owner's library instead."
Like a great bellows it hisses, and its kin, both living and dead, are lifted to safety.
